Botrychium zeylanicum (L.) Sw.

Botryopteris crenata (C.Presl) C.Presl

Botryopteris mexicana C.Presl

Helminthostachys crenata C.Presl

Helminthostachys dulcis Kaulf.

Helminthostachys integrifolia C.Presl

Helminthostachys laciniata Voigt

Helminthostachys mexicana (C.Presl) Spreng.

Helminthostachys zeylanica (L.) Kaulf., 1947

Helminthostachys zeylanica var. brachyspicae Nampy & Madhus.

Helminthostachys zeylanica var. brachyspicii Nampy & Madhus.

Ophiala zeylanica (L.) Desv.

Osmunda laciniata Noronha

Osmunda zeylanica L.